Features： 1、[MAIN PURPOSE] Diamond dresser, single point grinding wheel tapered point tool, often used with grinding wheel. 2、[0.4 CARATS DIAMOND] Selected diamond, with 0.4 carats, single grain to ensure accuracy and finish of machined parts. 3、[FINE PROCESSING] Using vacuum low temperature welding process, the diamond welding is firm, and the particles do not fall off. 4、[CARBON STEEL SHANK] The shank is made of carbon steel, with high hardness and wear resistance, extending the service life. 5、[EASY OPERATION] Make its top perpendicular to the radial direction of the grinding wheel, and the axial direction of the chain pen is 15° to the grinding wheel radial direction. Specification： Item Type: Diamond Dresser Product Material: Diamond + Carbon Steel Product Diameter: Approx. 10mm / 0.4in Product Length: Approx. 45-50mm / 1.8-2.0in Diamond Weight: 0.4 Carats Package List： 1 x Diamond Dresser